I became a god by treasure hunting after arriving 500 years early - Chapter 4 - 2 Milestone Rewards

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Fate, a gatekeeper who had been working for the castle, is beset by a few burdens.

Mysterious gates appeared all around the world a few decades ago. Beings emerged from the gates and brought disaster upon humanity. Humanity called them Demon Spirits. It wasn’t until the advent of Demon Suits and Demon Suiters that humans stood a fighting chance.For some perplexing reason, the world’s number one Demon Suiter, Li “God” Xiu abandons his identity to start over again as a newbie trial-taker. He enters the gates to participate in all sorts of trials, in a bid to seek out the reason that enticed his best friend into becoming a trial-taker.These trials weren't the run-of-the-mill dungeons, ranging from game sports (soccer, basketball, baseball, etc) to athletics. Just as fortune favors the brave, what would Li Xiu obtain on his quest?“Are you telling me he’s a greenhorn?” the other trial-takers frustratingly ask while watching Li Xiu's feats that prove why he's the number one Demon Suiter.

Four rich and handsome brothers up against one girl!Asher, Ashton, Ashley and Ashal are the four quadruplet sons of the Rollins family, the wealthiest family in the country of Danvarr. They’re notorious for being sexy, smart businessmen like their father. The brothers never use their real names in public spaces and all go by ‘Ash Rollins’. They all wear the same hairstyle and swap identities almost all the time. Even their parents can’t always tell them apart. Only the brothers can.Demi is a sweet, hardworking twenty years old girl who works at a book store. When her boyfriend cheats on her because she wanted to wait till marriage, she makes a poor decision to drink for the first time. Her night is so crazy she wakes up at home with a marriage certificate in her hand signed by one Ash Rollins. The problem is she can’t recall much and doesn’t know which of the brothers she married. Typically, all the quads deny her claim and the billionaire family kicks her out of their mansion.Demi’s fate changes when the annulment of the marriage threatens the social image of the Rollins Empire. The family proposes Demi plays their daughter-in-law for a year till the tension blows over. Demi accepts only to teach the quads a lesson. Since her true husband won’t step up, Demi is allowed to choose any of the quads to be her husband.Her ‘real husband silently grows restless seeing her with his brother, but he isn’t the only one falling head over heels for the first daughter-in-law of the Rollins empire. All the brothers compete for Demi’s heart because she’s nothing like the women they’re used to. Will their obsession to win her heart finally tear the brothers apart or will Demi’s big secret do the trick? Which ‘Ash Rollins’ will win the girl in the end?